A water treatment plant of capacity, 1 m3/s has filter boxes of dimensions 6 m × 10 m. The loading rate to the filters is 120 m3/day/m2. When two of the filters are out of service for back washing, the loading rate (in m3/day/m2) is

A water treatment plant of capacity, 1 m3/s has filter boxes of dimens

1.	A water treatment plant of capacity, 1 m3/s has filter boxes of dimensions 6 m × 10 m. The loading rate to the filters is 120 m3/day/m2. When two of the filters are out of service for back washing, the loading rate (in m3/day/m2) is
A.	144
B.	122
C.	133
D.	124
Answer» B. 122

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A water treatment plant of capacity, 1 m3/s has filter boxes of dimensions 6 m × 10 m. The loading rate to the filters is 120 m3/day/m2. When two of the filters are out of service for back washing, the loading rate (in m3/day/m2) is

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